1493088241 has 4 divisors (see below), whose sum is σ = 1493184484. Its totient is φ = 1492992000.

The previous prime is 1493088239. The next prime is 1493088253. The reversal of 1493088241 is 1428803941.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1428803941 = 1579 ⋅904879.

It can be written as a sum of positive squares in 2 ways, for example, as 982509025 + 510579216 = 31345^2 + 22596^2 .

It is a 6-Lehmer number, since φ(1493088241) divides (1493088241-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 1493088241 - 2¹ = 1493088239 is a prime.

It is the 38641-st Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1493088194 and 1493088203.

It is not an unprimeable number, because it can be changed into a prime (1493088211) by changing a digit.

It is a nontrivial repunit in base 38640.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18960 + ... + 57841.

It is an arithmetic number, because the mean of its divisors is an integer number (373296121).

Almost surely, 2^1493088241 is an apocalyptic number.

It is an amenable number.

1493088241 is a deficient number, since it is larger than the sum of its proper divisors (96243).

1493088241 is an equidigital number, since it uses as much as digits as its factorization.

1493088241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96242.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1493088241 is about 38640.5000097048. The cubic root of 1493088241 is about 1142.9533153167.

The spelling of 1493088241 in words is "one billion, four hundred ninety-three million, eighty-eight thousand, two hundred forty-one".